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★★★★★

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USD 35 /hr

★★★★★

☆☆☆☆☆

Hire Dr. Diaa O.

Egypt

USD 35 /hr

PhD in Applied Chemistry | Nanotechnology & Biosensors Specialist | Data Analysis & Scientific Writing

Profile Summary

I hold a PhD in Applied Chemistry with strong expertise in nanotechnology, biosensors, and electrochemistry. My research has focused on developing nanomaterials and advanced biosensors for biomedical and environmental applications, alongside extensive experience in metabolomics and analytical chemistry. I am skilled in a wide range of techniques, including HPLC, GC, LC-MS, and spectroscopy, combined with advanced data analysis and visualization using R, Python, MATLAB, and SPSS. I have authored multiple peer-reviewed publications** and collaborated on academic and industry-based research projects. My key strengths include experimental design, sensor development, complex data analysis, and scientific writing (research papers, literature reviews, and proposals). I am passionate about applying my scientific expertise to deliver high-quality, reliable research support and consulting services tailored to each client’s needs.

Subject Matter Expertise

• ☆ Materials Science & Engineering
• ☆ Analytical Chemistry
• ☆ Nanotechnology
• ☆ Biochemistry
• ☆ Biotechnology & Bioengineering
• ☆ Statistics
• ☆ Health Data Analysis
• ☆ Applied Chemistry
• ☆ Biosensors

Services

• Writing
• Research
• Consulting
• Data & AI
• Product Development

Writing Clinical Trial Documentation, Medical Writing, General Proofreading & Editing, Translation

Research Meta-Research, Gray Literature Search, Scientific and Technical Research, Systematic Literature Review, Secondary Data Collection

Consulting Healthcare Consulting, Scientific and Technical Consulting, Regulatory Consulting

Data & AI Predictive Modeling, Statistical Analysis, Data Visualization, Data Mining, Data Cleaning, Data Processing

Product Development Stability/Shelf Life Testing, Product Evaluation, Prototyping

Work Experience

Researcher, Lecturer

National Liver Institute, Menoufia University

February 2012 - Present

Education

Ph.D in Nano-Bio Chemistry

Helwan University

September 2017 - July 2021

Certifications

• Online Marketing Certified Professional

  Udacity

  January 2022 - Present

Publications

JOURNAL ARTICLE

Said M. El-Sheikh and Diaa I. Osman and Omnia I. Ali and Wafaa Gh Shousha and Madiha A. Shoeib and Sherif M. Shawky and Sheta M. Sheta(2021). A novel Ag/Zn bimetallic MOF as a superior sensitive biosensing platform for HCV-RNA electrochemical detection . Applied Surface Science. 562. p. 150202. Elsevier {BV}

Sheta, S.M., El-Sheikh, S.M., Osman, D.I., Salem, A.M., Ali, O.I., Harraz, F.A., Shousha, W.G., Shoeib, M.A., Shawky, S.M., Dionysiou, D.D.(2020). A novel HCV electrochemical biosensor based on a polyaniline@Ni-MOF nanocomposite . Dalton Transactions. 49. (26). p. 8918-8926.

Osman, D.I., El-Sheikh, S.M., Sheta, S.M., Ali, O.I., Salem, A.M., Shousha, W.G., EL-Khamisy, S.F., Shawky, S.M.(2019). Nucleic acids biosensors based on metal-organic framework (MOF): Paving the way to clinical laboratory diagnosis . Biosensors and Bioelectronics. 141.

Osman, D., Ali, O., Obada, M., El-Mezayen, H., El-Said, H.(2017). Chromatographic determination of some biomarkers of liver cirrhosis and hepatocellular carcinoma in Egyptian patients . Biomedical Chromatography. 31. (6).